{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "dd7ec7af",
   "metadata": {},
   "source": [
    "# HTTP request chain\n",
    "\n",
    "Using the request library to get HTML results from a URL and then an LLM to parse results"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "dd8eae75",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.llms import OpenAI\n",
    "from langchain.chains import LLMRequestsChain, LLMChain"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "65bf324e",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.prompts import PromptTemplate\n",
    "\n",
    "template = \"\"\"Between >>> and <<< are the raw search result text from google.\n",
    "Extract the answer to the question '{query}' or say \"not found\" if the information is not contained.\n",
    "Use the format\n",
    "Extracted:<answer or \"not found\">\n",
    ">>> {requests_result} <<<\n",
    "Extracted:\"\"\"\n",
    "\n",
    "PROMPT = PromptTemplate(\n",
    "    input_variables=[\"query\", \"requests_result\"],\n",
    "    template=template,\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "f36ae0d8",
   "metadata": {},
   "outputs": [],
   "source": [
    "chain = LLMRequestsChain(llm_chain=LLMChain(llm=OpenAI(temperature=0), prompt=PROMPT))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "b5d22d9d",
   "metadata": {},
   "outputs": [],
   "source": [
    "question = \"What are the Three (3) biggest countries, and their respective sizes?\"\n",
    "inputs = {\n",
    "    \"query\": question,\n",
    "    \"url\": \"https://www.google.com/search?q=\" + question.replace(\" \", \"+\"),\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "2ea81168",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'query': 'What are the Three (3) biggest countries, and their respective sizes?',\n",
       " 'url': 'https://www.google.com/search?q=What+are+the+Three+(3)+biggest+countries,+and+their+respective+sizes?',\n",
       " 'output': ' Russia (17,098,242 km²), Canada (9,984,670 km²), United States (9,826,675 km²)'}"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "chain(inputs)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "db8f2b6d",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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